diff options
Diffstat (limited to 'src/audio_dec/xine_lpcm_decoder.c')
-rw-r--r-- | src/audio_dec/xine_lpcm_decoder.c | 66 |
1 files changed, 45 insertions, 21 deletions
diff --git a/src/audio_dec/xine_lpcm_decoder.c b/src/audio_dec/xine_lpcm_decoder.c index b7e3344fe..7b9b4a81b 100644 --- a/src/audio_dec/xine_lpcm_decoder.c +++ b/src/audio_dec/xine_lpcm_decoder.c @@ -98,6 +98,7 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { int stream_be; audio_buffer_t *audio_buffer; int format_changed = 0; + int special_dvd_audio = 0; /* Drop preview data */ if (buf->decoder_flags & BUF_FLAG_PREVIEW) @@ -120,7 +121,7 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { switch ((buf->decoder_info[2] >> (24+6)) & 0x03) { case 1: bits_per_sample = 16; break; case 2: bits_per_sample = 20; break; - case 3: bits_per_sample = 24; break; + case 3: bits_per_sample = 24; special_dvd_audio = 1; break; default: bits_per_sample = 0; break; } switch ((buf->decoder_info[2] >> 16) & 0x0f) { @@ -156,7 +157,7 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { switch ((buf->decoder_info[2]>>6) & 3) { case 0: bits_per_sample = 16; break; case 1: bits_per_sample = 20; break; - case 2: bits_per_sample = 24; break; + case 2: bits_per_sample = 24; special_dvd_audio = 1; break; } } @@ -274,35 +275,58 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { int n = buf_size; if ( stream_be ) { - while (n >= 12) { + if (special_dvd_audio) + while (n >= 12) { + if ( stream_be == this->cpu_be ) { + *d++ = s[0]; + *d++ = s[1]; + *d++ = s[2]; + *d++ = s[3]; + *d++ = s[4]; + *d++ = s[5]; + *d++ = s[6]; + *d++ = s[7]; + } else { + *d++ = s[1]; + *d++ = s[0]; + *d++ = s[3]; + *d++ = s[2]; + *d++ = s[5]; + *d++ = s[4]; + *d++ = s[7]; + *d++ = s[6]; + } + s += 12; + n -= 12; + } + else + while (n >= 3) { + if ( stream_be == this->cpu_be ) { + *d++ = s[0]; + *d++ = s[1]; + } else { + *d++ = s[1]; + *d++ = s[0]; + } + s += 3; + n -= 3; + } + } else { + while (n >= 3) { if ( stream_be == this->cpu_be ) { - *d++ = s[0]; *d++ = s[1]; *d++ = s[2]; - *d++ = s[3]; - *d++ = s[4]; - *d++ = s[5]; - *d++ = s[6]; - *d++ = s[7]; } else { - *d++ = s[1]; - *d++ = s[0]; - *d++ = s[3]; *d++ = s[2]; - *d++ = s[5]; - *d++ = s[4]; - *d++ = s[7]; - *d++ = s[6]; + *d++ = s[1]; } - s += 12; - n -= 12; + s += 3; + n -= 3; } - } else { - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "lpcm_decoder: I don't know what should decode lpcm 24bit little endian byte stream"); } if ( (d - (uint8_t*)audio_buffer->mem)/2*3 < buf_size ) - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "lpcm_decoder: lost %i bytes\n", (int)(buf_size - (d - (uint8_t*)audio_buffer->mem))/2*3); + xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "lpcm_decoder: lost %i bytes of %i in the buffer\n", (int)(buf_size - (d - (uint8_t*)audio_buffer->mem)/2*3), buf_size); } else { memcpy (audio_buffer->mem, sample_buffer, buf_size); |